Principles of a resource/reserve classification for minerals:
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Bibliographic Details
Format: Book
Language:English
Published: Arlington, VA U. S. Department of the Interior 1980
Series:Geological Survey circular 831
Subjects:
Item Description:A revision of the classification system published as U.S. Geological Survey Bulletin 1450-A
Physical Description:5 Seiten

There is no print copy available.

Interlibrary loan Place Request Caution: Not in THWS collection!